LandOfFree - US Patents - Listing for Movable or removable closures

Movable or removable closures – Plural wings radiate from common pivot; i.e. – revolving

Mantrap

Movable or removable closures – Mounted for multidirectional or oblique movement – Swings on plural axes; e.g. – pivotal link arms

Manual balanced door with door closer arm

Movable or removable closures – With specified means to effect emergency release to closure

Manual release mechanism for a power operated sliding door

Movable or removable closures – With operator for movably mounted closure – Drive within closure housing

Manual window regulator

Movable or removable closures – Mounted for optional movements – On alternative axes

Manually actuable apparatus enabling a door to be selectively hi

Movable or removable closures – Optionally moved – manually – or by motor

Manually operable sash lift for motorized double hung window

Movable or removable closures – With operator for movably mounted closure – Reversibly flexible and rigid rod

Manually releasable coupling device for connecting an elongate o

Movable or removable closures – With means mounting closure for swinging – With biasing means

Manway cover balancing mechanism

Movable or removable closures – With means mounting closure for swinging – With biasing means

Manway lift assist

Movable or removable closures – With means mounting closure for swinging – With biasing means

Manway lift device having an adjustable biasing assembly...

Movable or removable closures – Closures interconnected for concurrent movement – Opposed similar movement

Mass transit vehicle door control apparatus

Movable or removable closures – Treadle or impact initiated operator – Switch in approach to closure

Mat monitor module

Movable or removable closures – Mounted for optional movements – On alternative axes

Means for controlling pivotal doors in nuclear plants

Movable or removable closures – Starter-type operator; e.g. – seal breaker

Means for forcing apart two structural members of a closure arra

Movable or removable closures – With means mounting closure for reciprocation – With plug – flap – or bridger for meeting rail

Means for preventing air leakage through window sash interlock

Movable or removable closures – With operator for movably mounted closure – Reversibly flexible and rigid rod

Means for the opening and closing of angularly movable panels

Movable or removable closures – Mounted for optional movements – On alternative axes

Mechanical actuator for a multi-position window

Movable or removable closures – With operator for movably mounted closure – Operating lever or link and closure swing about parallel axes

Mechanical arm system for opening a door

Movable or removable closures – Check or key controlled

Mechanical barrier